| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Aphyllon vallicola | CNPS-EB: B | California broom-rape | |
| Castilleja rubicundula subsp. lithospermoides | CNPS-EB: B | cream sacs | |
| Echinodorus berteroi | CNPS-EB: A2 | burhead | |
| Eschscholzia caespitosa | CNPS-EB: A1 | tufted poppy | |
| Layia gaillardioides | CNPS-EB: A2 | woodland layia | |
| Lupinus pachylobus | CNPS-EB: B | big pod lupine | |
| Rosa spithamea | CNPS-EB: C | coast ground rose, ground rose |